Specification:Condition: 100% Brand NewItem Type: Soil TesterMaterial: Plastic + SteelBattery Information: 1pcs 7.4V 2500mAh LD74250 Lithium Battery (Built-In)Testing Object: Temperature And Humidity + Conductivity + PH + NPKPlug: US PlugVoltage: 100-240VPower Supply: 12V DC, 2500mA.H (Standard Configuration)Display Mode: 2.8in LCD DisplayCommunication Method: USB (Read and see DB9 interface description for details)Data Storage: 4MB Storage (Standard)Working Temperature: -20℃~50℃Working Humidity: 0-90% (Relative Humidity), Non-CondensingCommunication Protocol: for Modbus Serial Communication ProtocolCharging Time: ≤4HConnectable Equipment: 1-8 for Modbus EquipmentApplication: Petrochemical, environmental protection, metallurgy, mining, agriculture, experiment, surveying and other industriesWeight: Approx. 2233g / 78.8ozProduct Size:Handheld Terminal: Approx. 20x10cm / 7.9x3.9in5-Pin Sensor: Approx. 13.8x4.5cm / 5.4x1.8inPackage List:1 x Handheld Terminal1 x 5-Pin Sensor1 x Power Adapter1 x Power Cord1 x Carrying Case1 x Manual